>>> a = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
>>> del a[-1]
>>> a
[0, 1, 2, 3, 4, 5, 6, 7, 8]
my_list = [1, 7, 9, 11, 12, 20]
# Reverse a list by using a slice
print(my_list[::-1])
#this will result in an IndexError
arr = ['item',1,None,'hi']
error = arr[10]